package com.oa.filter;

import java.io.IOException;

import javax.servlet.Filter;
import javax.servlet.FilterChain;
import javax.servlet.FilterConfig;
import javax.servlet.ServletException;
import javax.servlet.ServletRequest;
import javax.servlet.ServletResponse;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

public class EncodingFilter implements Filter {
	private String encoding = null; 

	@Override
	public void destroy() {
	}

	@Override
	public void doFilter(ServletRequest arg0, ServletResponse arg1, FilterChain arg2)
			throws IOException, ServletException {
		HttpServletRequest request = (HttpServletRequest) arg0;
		HttpServletResponse response = (HttpServletResponse) arg1;
		response.setCharacterEncoding("UTF-8");
		response.setContentType("test/html;charset=utf-8");
		request.setCharacterEncoding("UTF-8");
		arg2.doFilter(arg0, arg1);
		
	}

	@Override
	public void init(FilterConfig arg0) throws ServletException {
		encoding = arg0.getInitParameter("encoding");
		System.out.println("filter 初始化" + encoding);
	}

}
